module.exports = {
  // 基本路径 baseURL已经过时
  publicPath:process.env.NODE_ENV=="production"?"./":"/",
  // 输出文件目录
  outputDir: 'dist',
  // eslint-loader 是否在保存的时候检查
  lintOnSave: true,
  // use the full build with in-browser compiler?
  // https://vuejs.org/v2/guide/installation.html#Runtime-Compiler-vs-Runtime-only
  // compiler: false,
  // webpack配置
  // see https://github.com/vuejs/vue-cli/blob/dev/docs/webpack.md
  chainWebpack: config => {
  config.module
    .rule('worker')
    .test(/\.worker\.js$/)
    .use('worker-loader')
    .loader('worker-loader')
    .end();

      config.module.rule('js').exclude.add(/\.worker\.js$/);
      config.output.globalObject('this')
},
  configureWebpack: () => {},
  // vue-loader 配置项
  // https://vue-loader.vuejs.org/en/options.html
  // vueLoader: {},
  // 生产环境是否生成 sourceMap 文件
  productionSourceMap: true,
  // css相关配置
  css: {
   // 是否使用css分离插件 ExtractTextPlugin
   extract: true,
   // 开启 CSS source maps?
   sourceMap: false,
   // css预设器配置项
   loaderOptions: {},
   // 启用 CSS modules for all css / pre-processor files.
   modules: false
  },
  // use thread-loader for babel & TS in production build
  // enabled by default if the machine has more than 1 cores
  parallel: require('os').cpus().length > 1,
  // 是否启用dll
  // See https://github.com/vuejs/vue-cli/blob/dev/docs/cli-service.md#dll-mode
  // dll: false,
  // PWA 插件相关配置
  // see https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-pwa
  pwa: {},
  // webpack-dev-server 相关配置
  devServer: {
    open: process.platform === 'darwin',
    disableHostCheck: true,
    host: '',//如果是真机测试，就使用这个IP
    port: 8080,
    https: false,
    hotOnly: false,
    // eslint-disable-next-line no-unused-vars
    before: app => {}
  },
  // 第三方插件配置
  pluginOptions: {
   // ...
  },
 }